Out of the Mirror, Darkness

Unfortunately, cosmic horror through film props has been done by other authors much better. The story is not terrible, but it is somewhat forgettable. Essentially a mirror used as a film prop unleashes some horror on the film set and crew. The main issue I have is a somewhat Mary-Sue type character who flies in and saves the day. Add to that a strangely chipper prose, it all felt oddly unbalanced, not sure what type of story it really wanted to be